Lee, Kyu-hung
What is Taekwondo Poomsae? = 태권도 품새 란 무엇인가
Osung, 2011
Buku Teks SO
Lee, Gyu Hyong
What is Taekwondo Poomsae? = 태권도 품새란 무엇인가?
Osung Media, 2010
Multimedia
Lee, Kyo-yoon
Global taekwondo
Joeun, 2010
Buku Teks SO
Reynolds, Charles
Theory and explanation in international politics
Martin Robertson, 1973
Buku Teks SO
Gardiner, Patrick
Nature of historical explanation
Oxford University Press, 1952
Buku Teks SO